li{
	list-style: none;
}
#tree{
	display: block;
	margin-left: 35px;
}
#tree li{
	margin-bottom: 20px;
	width: 100%;
}
#tree li a{
	display: inline-block;
	width: 30%;
}
#tree span{
	display: inline-block;
	margin-left: 15px;
	cursor: pointer;
}
